NSN 1377-00-005-5631 · NIIN 000055631 · Part number MB300-983
Martin-Baker Aircraft Company Limited · FSC 1377 — Cartridge and Propellant Actuated Devices and Components · FSG 13 — Ammunition and Explosives · CAGE U1604
Government record, cited
NSN 1377-00-005-5631 — this item is cataloged by the U.S. Government under National Stock Number 1377-00-005-5631. Manufacturer of record part number: MB300-983.
Also searched as1377-00-005-5631 ·
1377000055631 ·
NIIN 000055631 ·
00-005-5631 ·
FSC 1377 Cartridge and Propellant Actuated Devices and Components · CAGE U1604 · MB300-983
General Characteristics Item Description: ALUMINUM ALLOY,BLACK HARD ANODISE,0.500 IN. W IN
1 manufacturer part number on file
Manufacturer of record: Martin-Baker Aircraft Company Limited
Identification
NSN: 1377-00-005-5631
NIIN: 000055631
FSC: 1377 — Cartridge and Propellant Actuated Devices and Components
FSG: 13 — Ammunition and Explosives
Primary part number: MB300-983
Manufacturer: Martin-Baker Aircraft Company Limited
General Description
The Cap,rocket, cataloged under National Stock Number 1377-00-005-5631, is classified within Federal Supply Class 1377 (Cartridge and Propellant Actuated Devices and Components) of the Ammunition and Explosives group. The manufacturer of record is Martin-Baker Aircraft Company Limited. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
1377-00-005-5631
Primary Part Number
MB300-983
Item Name
Cap,rocket
FSC / FSG
1377 / 13 — Cartridge and Propellant Actuated Devices and Components
Other items in FSC 1377 — Cartridge and Propellant Actuated Devices and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1377-00-018-6170
RETAINER
1377-00-062-0234
1377-00-062-0234 · Item name not on file
1377-00-074-3200
CONNECTOR,MANIFOLD ASSEMBLY,EXPL
1377-00-480-2718
CARTRIDGE,POWDER ACTUATED TOOL
1377-00-488-6870
CARTRIDGE,POWDER ACTUATED TOOL
1377-00-540-9524
CARTRIDGE,IMPULSE
1377-00-601-1247
CARTRIDGE,IMPULSE
1377-01-244-4117
INITIATOR,CARTRIDGE ACTUATED
Frequently Asked Questions
What is NSN 1377-00-005-5631?
NSN 1377-00-005-5631 is a Cap,rocket, manufactured by Martin-Baker Aircraft Company Limited, classified under FSC 1377, Cartridge and Propellant Actuated Devices and Components. Status: active.
What part numbers are listed for NSN 1377-00-005-5631?
NSN 1377-00-005-5631 has 1 manufacturer part number on file: MB300-983 (Martin-Baker Aircraft Company Limited).
What are the specifications of MB300-983?
Key specifications for MB300-983: General Characteristics Item Description: ALUMINUM ALLOY,BLACK HARD ANODISE,0.500 IN. W IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 1377-00-005-5631 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
What is the DEMIL code for NSN 1377-00-005-5631?
NSN 1377-00-005-5631 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.